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问题 多项选择题

日照项目开展自动观测目前可用的方式有（）。

A.直接辐射表观测日照时数

B.用总辐射与散射辐射计算日照时数

C.用双金属片日照传感器观测

D.用光电转换器观测日照时数

答案

参考答案：A, B, C

单项选择题

A 9-month-old, well-nourished boy who lives with his extensive extended family tests positive for tuberculosis. Which of the following is a risk factor for tuberculosis in this client

A. Male sex.
B. The infant is in the 95th percentile for height and weight.
C. His mother did not receive prenatal care until the second trimester of her pregnancy.
D. Ag
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判断题

灭火救援总指挥部通常设总指挥2人，副总指挥若干人。（）
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